| 摘要 |
A secondary battery is capable of fastening a positive electrode tab and a negative electrode tab to each other without performing welding. The secondary battery comprises an electrode assembly including a positive electrode plate, a negative electrode plate, and a separator interposed between the positive electrode plate and the negative electrode plate, a positive electrode tab and a negative electrode tab coupled to the positive electrode plate and the negative electrode plate, respectively, a housing accommodating the electrode assembly and having one side open, a plate sealing up the open part of the housing, a fastening unit formed so as to protrude from the plate in a non-penetrating structure, and a first tab terminal inserted into the fastening unit via the positive electrode tab so as to electrically couple the positive electrode tab and the plate to each other.
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